In the limited space of small apartments, every piece of furniture must work to its maximum potential. A sofa bed is not just an interior element, but a real lifesaver for those who value comfort and functionality. It allows you to combine two important zones: the daytime and nighttime areas, saving precious square meters. In this article, we will delve into how to choose the ideal sofa bed, what materials to use, how to properly zone the space, and avoid common purchasing mistakes.